FR 4901 then AZ 614 at Fiumicino
Palermo → Rome → Boston
Timetable, Rome time
19:05FR 4901 from Palermo at the gate
10:15AZ 614 to Boston leaves the gate
15 h 10 apart on the timetable, overnight
AZ 614 leaves 15 h 10 after FR 4901 arrives on the timetable: more than half a day, so not a connection we count.